var ns6=document.getElementById&&!document.all

function displaylimit(thename, theid, thelimit)
{
	var theform=theid!=""? document.getElementById(theid) : thename
	var limit_text='<span class="limittext"><b><span id="'+theform.toString()+'">'+thelimit+'</span></b> characters remaining on your input limit</span>'
	
	if (document.all||ns6) document.write(limit_text)
	if (document.all)
	{
		eval(theform).onkeypress=function(){ return restrictinput(thelimit,event,theform)}
		eval(theform).onkeyup=function(){ countlimit(thelimit,event,theform)}
	}
	else if (ns6)
	{
		document.body.addEventListener('keypress', function(event) { restrictinput(thelimit,event,theform) }, true); 
		document.body.addEventListener('keyup', function(event) { countlimit(thelimit,event,theform) }, true); 
	}
}

function restrictinput(maxlength,e,placeholder)
{
	if (window.event&&event.srcElement.value.length>=maxlength) return false
	else if (e.target&&e.target==eval(placeholder)&&e.target.value.length>=maxlength)
	{
		var pressedkey=/[a-zA-Z0-9\.\,\/]/ //detect alphanumeric keys
		if (pressedkey.test(String.fromCharCode(e.which))) e.stopPropagation()
	}
}

function countlimit(maxlength,e,placeholder)
{
	var theform=eval(placeholder)
	var lengthleft=maxlength-theform.value.length
	var placeholderobj=document.all? document.all[placeholder] : document.getElementById(placeholder)
	if (window.event||e.target&&e.target==eval(placeholder))
	{
		if (lengthleft<0) theform.value=theform.value.substring(0,maxlength)
		placeholderobj.innerHTML=lengthleft
	}
}

function stopDefaultAction(event)
{
  event.returnValue = false;

  if (typeof event.preventDefault != "undefined")
  {
    event.preventDefault();
  }

  return true; 
}

function attachEventListener(target, eventType, functionRef, capture)
{
  if (typeof target.addEventListener != "undefined")
  {
    target.addEventListener(eventType, functionRef, capture);
  }
  else if (typeof target.attachEvent != "undefined")
  {
    target.attachEvent("on" + eventType, functionRef);
  }
  else
  {
    eventType = "on" + eventType;

    if (typeof target[eventType] == "function")
    {
      var oldListener = target[eventType];

      target[eventType] = function()
      {
        oldListener();

        return  functionRef();
      }
    }
    else
    {
      target[eventType] = functionRef;
    }
  }

  return true; 
}

function detachEventListener(target, eventType, functionRef, capture)
{
  if (typeof target.removeEventListener != "undefined")
  {
    target.removeEventListener(eventType, functionRef, capture);
  }
  else if (typeof target.detachEvent != "undefined")
  {
    target.detachEvent("on" + eventType, functionRef);
  }
  else
  {
    target["on" + eventType] = null;
  }

  return true;
}

function addLoadListener(fn)
{
  if (typeof window.addEventListener != 'undefined')
  {
    window.addEventListener('load', fn, false);
  }
  else if (typeof document.addEventListener != 'undefined')
  {
    document.addEventListener('load', fn, false);
  }
  else if (typeof window.attachEvent != 'undefined')
  {
    window.attachEvent('onload', fn);
  }
  else
  {
    var oldfn = window.onload;
    if (typeof window.onload != 'function')
    {
      window.onload = fn;
    }
    else
    {
      window.onload = function()
      {
        oldfn();
        fn();
      };
    }
  }
}